/* 把标签默认的间距设为0 */
body, ul, ol, p, h1, h2, h3, h4, h5, h6, dl, dd, select, input, textarea, form {
    margin: 0;
    padding: 0
}

/* 让h标签文字大小继承body的文字设置 */
h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}

/* 去掉列表默认的图标 */
ul, ol {
    list-style: none;
}

/* 去掉em默认的斜体 */
em {
    font-style: normal;
}

/* 去掉a标签默认的下划线 */
a {
    text-decoration: none;
}


/* 去掉加链接时产生的框线 */
img {
    border: 0;
}

/* 清除浮动 */
.priority:before, .priority:after {
    content: "";
    display: table
}

.priority:after {
    clear: both;
}

.priority {
    zoom: 1
}

/* 浮动 */
.fl {
    float: left
}

.fr {
    float: right
}

button {
    margin: 0;
    padding: 0;
    outline: none;
    border: 1px solid transparent;
}

input {
    -web-kit-appearance: none;
    -moz-appearance: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}
